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What is the number of contour lines you would need to show a change om elevation of 1000 feet on a map with a contour interval of 200 feet?
Wiki User
∙ 11y ago
Ok so each line is equal to 200 feet. So let's pretend you're starting at 0 how many lines would you need to get to 1,000? Line 1 =200 then Line 2=400 then line 3=600 then line 4=800 and finally line 5=1,000
_____1,000 feet
/
_____800feet
/
_____600feet
/
_____400feet
/
_____200feet
/
So how many lines did it take?
Wiki User
∙ 11y ago
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You would just add 10 every contour line you pass until you get to the number 80.
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